流动沙丘是根据沙丘移动性划分的沙丘类型之一，流动沙丘的地表植被稀少，可在风力作用下顺风向移动。
岩石台地、峡谷和旱谷点缀在绵延几千公里的流动沙丘中。
Rocky mesas, canyons and arroyos break up the monotony of kilometers of shifting dunes.
按风速流场分析所建议的路基高度为：流动沙丘区路基合理高度宜在1。
By the roadbed height proposed and the analysis of wind velocity flow field, the active sand dune zone should be kept between 1.
详尽地分析了流动沙丘面积相同，分布形式不同而产生的间隙度指数差异。
The differentiations of calculating lacunarity indices of shifting sand dunes which have same area but different distribution forms are obvious.
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